782 results about "Blow molding" patented technology

The present invention relates to the field of polyurethane materials and particularly to a temperature-induced color-changing vehicle film and a preparation method therefor. The method of the present invention comprises: firstly, using polyurethane to wrap vanadium dioxide powder to obtain color-changing microcapsules; then using 1,1,1,3,5,5,5-heptamethyltrisiloxane and 3-allyloxy-1,2-propanediol as raw materials to synthesize an organosilicon-modified diol, and enabling trimellitic anhydride to react with toluene diisocyanate to synthesize a dicarboximide compound; enabling the organosilicon-modified diol and the dicarboximide compound to undergo an esterification reaction and a polymerization reaction to obtain an organosilicon-modified imide polyester diol; then mixing the organosilicon-modified imide polyester diol with polytetrahydrofuran ether glycol 2000, and then enabling the mixture to react with toluene diisocyanate to obtain a polyurethane elastomer; and mixing the polyurethane elastomer, the color-changing microcapsules, a silane coupling agent, a plasticizer, an antioxidant, and an ultraviolet light absorber, followed by melt extrusion and blow molding into a film, so as to obtain the temperature-induced color-changing vehicle film.

The invention relates to the technical field of medicinal packaging container manufacturing, and discloses a processing technology of a double-cavity cartridge bottle, which comprises the following steps: glass tube loading: selecting a glass tube as a raw material, loading the glass tube into a clamping mechanism of forming equipment, fixing the glass tube through a positioning assembly, enabling the axis of the glass tube to coincide with a processing datum line of the equipment, and forming the glass tube; according to the processing technology of the double-cavity cartridge bottle, double-cavity integrated forming is adopted, the strength and the sealing performance of a separation structure of the main body cavity and the bypass cavity are effectively improved, the sealing hidden danger of split splicing is avoided, the leakage and fracture risks are greatly reduced, the technology is matched with the two forming means that a guide pipe is inserted into blow molding and matched with a mold, and medicinal glass raw materials are compatible; the double-cavity cartridge bottle meets the requirements of medical storage for stability and adaptability, meets the storage requirements of various drugs, reduces drug adsorption and chemical reactions, broadens clinical application scenes, and remarkably improves the practical value of the double-cavity cartridge bottle.

The utility model discloses a reinforced double-layer buffering angle bead, and relates to the technical field of packaging products. Comprising a corner protector body, the corner protector body comprises an inner side wall, an outer side wall and a cavity formed between the inner side wall and the outer side wall, the inner side wall and the outer side wall are each provided with a plurality of criss-cross grooves, the grooves are segmented and obliquely deepened towards the cavity in an arch arc shape, and the intersection point of every two adjacent grooves is deepest sunken. And the intersection points of the grooves in the inner side wall and the outer side wall correspond to each other and are mutually connected to form supporting points. The plurality of arch-shaped grooves are connected together in the cavity to form a framework-like structure, a gap space can be formed to meet the requirement that gas can smoothly flow in the material pipe in the blow molding process, and the wall surfaces of the inner side wall and the outer side wall can be supported by a plurality of supporting points, so that the wall surfaces can be prevented from collapsing, and the service life of the material pipe is prolonged. The whole large-area wall surface is divided into a plurality of buffer units by the grooves, so that the strength of the wall surface is greatly improved.

The invention belongs to the technical field of intelligent manufacturing of plastic packaging containers, and particularly discloses an intelligent blow molding and wall thickness closed-loop control system for PET plastic bottles, which integrates feedforward correction and closed-loop feedback, pre-corrects process parameters by acquiring characteristic parameters of raw materials, and generates point cloud data in combination with full-circumferential scanning of a non-contact three-dimensional optical measurement device. A partition three-dimensional model is constructed, and the wall thickness is accurately calculated; and based on the wall thickness deviation data, blow molding process parameters are dynamically adjusted through the mapping relation database, and a grading quality control strategy, a multivariable self-adaptive feedback mechanism and an online incremental learning mechanism are configured. The system realizes self-adaptive compensation under working conditions of raw material fluctuation, environmental disturbance and the like, improves wall thickness control precision and product consistency, reduces manual intervention, ensures high-speed continuous production, has self-learning and long-term stable regulation and control capabilities, and provides technical support for light-weight and high-precision forming of PET bottles.

The invention provides an antibacterial high-barrier starch-based plastic bottle and a preparation method thereof.The preparation method comprises the steps that firstly, titanate generates nano titanium dioxide in situ in starch through acid catalysis, starch is subjected to in-situ hybridization modification, and nano titanium dioxide in-situ hybridization starch is prepared; then adding nano inorganic barrier powder, and then adding a long-chain silane coupling agent to modify the nano titanium dioxide in-situ hybridized starch and the nano inorganic barrier powder to obtain a modified starch compound; performing vacuum kneading and drying until the water content is lower than 0.5%, and adding an antibacterial lubricant for plasticizing to obtain a plasticized material; and finally, carrying out melt blending and granulation with polyolefin resin, and carrying out extrusion blow molding. The environment-friendly and low-cost starch-based material is kept, meanwhile, the comprehensive performance of the product is remarkably improved, the surface contact angle of the product is 110 degrees or above, the antibacterial rate is 97% or above, and the oxygen permeation amount and the water vapor permeation amount are 100 cm / (m.24h. Atm) and 4 g / (m.24h) or below respectively.

An apparatus for forming plastic preforms into plastic containers has a rotatable transport carrier on which a plurality of forming stations is arranged. The forming stations each have blow molding devices within which the plastic preforms are formed by application of a flowable medium into the plastic containers. The apparatus has a clean room, within which the plastic preforms are expanded into the plastic containers, a feed device to feed plastic preforms to be formed, and a discharge device for discharging formed containers from the transport device. The apparatus also has an ejection device for ejecting plastic preforms or plastic containers from the transport path, being arranged between the discharge device and the feed device.

The invention relates to an integrally-formed hollow-structure Pick racket and a preparation method thereof, and belongs to the technical field of Pick rackets. The hollow cavity shell is filled with the foam core layer, an opening is formed in the hollow cavity shell, and the foam core layer is obtained by conducting heat treatment foaming on a foaming raw material; the method further comprises the following steps that an integrally-formed hollow cavity shell with an opening is obtained through a blow molding technology; the hollow cavity shell is filled with foaming raw materials; the filled hollow cavity shell is subjected to heat treatment, so that the foaming raw materials are foamed, expanded and fused in the shell, and a foam core layer tightly combined with the shell is formed; according to the Pick racket, an adhesive interface existing in a traditional spliced racket is structurally and thoroughly eliminated, the risk of adhesive failure and layering after long-term use or damp is fundamentally avoided, the structural integrity of the racket is greatly improved, and the durable life of the racket is greatly prolonged.

The utility model provides a blow molding device for edible plastic packaging bottles, and belongs to the technical field of blow molding devices. Comprising a base, a blow molding machine is fixedly installed at one end of the top of the base, two symmetrical supporting plates are fixedly installed at the top of the base, hydraulic rods are installed on the opposite faces of the two supporting plates, and a mold is fixedly installed at the other ends of the hydraulic rods. A first supporting table and a second supporting table are fixedly installed on the top of the base and located on the same side of the sliding table assembly. Plastic bottles subjected to blow molding can be placed on the material plate, the first motor drives the first threaded rod to rotate, the sliding block drives the material plate to move to the lifting assembly, the plastic bottles and the scraping assembly are kept horizontal, bottle openings and bottle bodies are cleaned through the cutting knife, and the distance between the knife handles can be adjusted due to different positions during cleaning, so that the plastic bottles are scraped off. And the cutting knife can cling to the bottle body.

A container with a screw cap is produced from a plastics material, by blow molding, and has a body with a first end and a second end, which is located opposite the first end, and with a lateral surface located therebetween, wherein a base with a standing surface is formed at the second end and an opening is formed at the first end, and wherein the opening is defined by a neck, which encloses the opening and is formed in one piece with the container, an external thread being formed on the neck, wherein the screw cap is provided with an internal thread which, when the screw cap has been placed in position, interacts with the external thread, and wherein a sealing element is formed on the inner side of the screw cap.

The invention relates to the technical field of plastic packaging product manufacturing, in particular to a blow molding device for plastic film production, which comprises a blow molding device, the blow molding device is integrated with a rolling section, the rolling section is provided with a rotating rod, the rotating rod is used for sleeving a collecting roll, one side of the collecting roll is provided with a groove, and the collecting roll is provided with a rotating shaft. An inclined groove is formed in one end of the groove; a rotating rod is arranged on the base, a sliding circular ring plate is slidably connected to the rotating rod, one side of the sliding circular ring plate is used for abutting against the collecting roll, a first rack is fixedly connected to the sliding circular ring plate, and the first rack is located in the rotating rod. In the using process of the blow molding device, a plastic film can be limited through the pressing plate, so that one end of the plastic film can be limited in the groove of the collecting roll, the plastic film can be firmly wound on the collecting roll when the plastic film is wound subsequently, and continuous and stable operation of a blow molding production line is guaranteed.

The present invention provides: a resin container having a hollow grip part, the resin container exhibiting enhanced drop resistance due to increased rigidity of a through-hole outer edge part; an apparatus and a method for manufacturing the resin container; and a blow molding metal mold. A resin container according to one aspect of the present invention comprises: a neck part that forms an inlet / outlet part for accommodated matter; a body part connected to the neck part; a bottom part connected to the body part and configured so as to close up a lower end of the body part; and a hollow grip part connected to and communicating with the body part. A through hole penetrating in a direction intersecting a central axis of the resin container is formed by the body part and the grip part. A reinforcing coupling part that is formed so as to join the body part and the grip part is further provided between the body part and the grip part facing the through hole and opposing each other.

The utility model discloses a multi-side cooling mechanism for blow molding of a double-sided plastic tray, which comprises a base, a fixed partition plate is fixedly mounted at the top of the base, a compressor is fixedly mounted in the base, a lower cooling plate is fixedly mounted at the top of the fixed partition plate, an electric push rod is fixedly mounted at the top of the fixed partition plate, and a lower cooling plate is fixedly mounted at the bottom of the electric push rod. A lifting plate located over the fixed partition plate is fixedly installed at the top of the electric push rod, an upper cooling plate located over the lower cooling plate is fixedly installed at the bottom of the lifting plate, a rotating support is rotationally connected to the face, opposite to the lifting plate, of the fixed partition plate, and a side cooling plate is rotationally connected to the other end of the rotating support. And flow guide coil pipes are laid in the upper cooling plate, the lower cooling plate and the side cooling plates. And the temperatures of the upper cooling plate, the lower cooling plate and the side cooling plates are reduced through the elastic hoses and the flow guide coil pipes, so that multiple side faces are cooled simultaneously, and the cooling efficiency of the mold is improved.

The utility model relates to the technical field of blow molding machines, in particular to an extrusion blow molding hollow molding machine, which not only accelerates the cooling of plastics through cooling water and improves the working efficiency, but also is convenient to discharge shaped plastic products from a mold and saves the trouble of manual picking. Comprising a separation mechanism; the blow molding machine further comprises a discharging mechanism, an extruding mechanism, a molding mechanism, a blow molding mechanism and a cooling mechanism, the discharging mechanism is installed on the separating mechanism and facilitates discharging of shaped products, the extruding mechanism is installed on the separating mechanism and extrudes plastic, and the molding mechanism is installed on the discharging mechanism and molds the plastic. The blow molding mechanism is installed on the separating mechanism and blows up plastics, and the cooling mechanism is installed on the discharging mechanism and cools the molding mechanism and products.

The application provides a plastic packaging bag forming device, and relates to the technical field of plastic packaging bag forming. The device comprises a table top, the collecting mechanism comprises a sliding groove and a screw rod, a first servo motor is fixedly installed at the other end port of the screw rod, and a suction cup is fixedly installed at the output end of the servo electric cylinder. During the working process of the device, the collecting mechanism is added, the servo electric cylinder installed on the top surface is driven to synchronously displace through the moving block, then the external negative pressure device connecting end is connected to the bottom surface connecting end of the suction cup installed at the output end of the servo electric cylinder, the suction cup with negative pressure can effectively adsorb the blow molding packaging bag, safe collection is realized, time waste is reduced, and the collecting link of the packaging bag is solved. The device mainly relies on manual taking out of the blow molding packaging bag, manual collection is not only low in efficiency, but also easy to cause time waste, and the packaging bag may be damaged due to improper operation in the collecting process, thereby affecting product quality.

The application provides a kind of based on multi-muscle deep cavity belt flat plate forming system, including transport device one and transport device two, preheating mechanism, auxiliary forming mechanism and punching equipment are arranged between transport device one and transport device two, the main role of auxiliary mould device in the operation process is that skin material can be quickly and fully adhered to the cavity in mould, so that pocket forming is more square, sufficient, and the strength of pocket forming for multi-muscle or multi-cavity structure is higher;It can effectively improve the forming effect and strength of multi-cavity and pocket deep belt product, so that the skin material will be pressed by the auxiliary mould during forming, and the pressure during blowing is more concentrated, which is beneficial to the blow molding of the softened skin material after heating.The stress of pocket bottom is uniform, the forming effect is good, and the strength of the formed pocket is high, and deformation is not easy to occur.

The utility model discloses an electric radial wall thickness control device in an extrusion blow molding machine, which comprises a machine body, a die head arranged on the machine body, a spreader arranged in the die head, a shunting channel reserved between the spreader and the die head, a die core connected to the spreader, a die sleeve slidably sleeved on the die head, and the die core positioned in the die sleeve, a discharging channel is reserved between the die core and the die sleeve, a conical end is arranged on the die core, a conical hole is formed in the die sleeve, the conical end is located in the conical hole, a variable channel is reserved between the conical end and the conical hole, a lining plate is arranged on the die head, a Y-shaped support is hinged to the lining plate, and a servo electric cylinder is arranged on the machine body. An adjusting rod is hinged between the Y-shaped support and the servo electric cylinder, a lining ring is arranged on the die sleeve, a guide rod is arranged on the lining ring, and the guide rod penetrates through the lining plate in a sliding mode and then is connected with the Y-shaped support in a rotating mode. According to the utility model, the gap of the variable channel can be accurately controlled, so that the wall thickness of an extruded parison can be accurately controlled.

The utility model relates to the technical field of liquid storage tanks, in particular to an integrated high-density polyethylene container for containing pressure-resistant cold and hot water, which comprises a tank body. A plurality of pipe orifices are formed in the side surface of the tank body; a boss is arranged at one end of the tank body; the boss is provided with an opening; a nut is embedded in the boss; the tank body, the pipe opening and the nut are integrally formed through extrusion blow molding. The tank body, the nut and the pipe orifice are integrally formed, so that an electric heating rod can be conveniently mounted subsequently; during use, a metal water pipe insert does not need to be additionally arranged, so that the whole sealing is safe and reliable; by arranging the annular clamping ring, the strength of the tank body is enhanced, and a mounting structure is provided; the tank body, the pipe orifice and the nut are integrally formed through extrusion blow molding, so that the whole body has the characteristics of high efficiency, simple process, low cost, easiness in recovery and easiness in regeneration; in the aspects of inlet and outlet pipelines, mounting positions and size series, the currently used metal liner can be directly replaced without any process change or accessory increase and decrease according to the specification of the current metal liner.

The invention provides a mold actuating mechanism of a bottle blowing machine. The mold actuating mechanism comprises a disc cam, the cylindrical cam and the disc cam can rotate at the same time; the guide sliding block is driven by the cylindrical cam to generate horizontal displacement; the lifting sliding block is driven by the disc cam to generate vertical displacement; the at least one transmission rod group is provided with a first movable rod and a second movable rod which are pivoted with each other; and the two ends of the driven rod are pivoted to the lifting sliding block and the second movable rod. According to the invention, abrasion can be reduced, better motion characteristics and control capability are achieved, and the service life of equipment is prolonged.

A high-productivity stacked peelable container (1) is provided. According to a first aspect of the invention, a stacked peelable container (1) is provided having an outer shell (12) and an inner bag (14) in which the inner bag (14) peels off from the outer shell (12) and shrinks as the contents decrease. The container body (3) of the stacked peelable container (1) has a bottom sealing protrusion (27) protruding from the bottom surface of a receiving portion (7) for containing contents. The bottom sealing protrusion (27) is formed by bending the sealing portion of the stacked preform in blow molding of a cylindrical stacked preform having an outer layer (11) constituting the outer shell (12) and an inner layer (13) constituting the inner bag (14).

Blow molding machine for the production of a plastic container (23), comprising a treatment station (20) with a compressed air supply (21) for the expanding forming of plastic preforms (22) into the plastic container (23) in a hollow mold (24), wherein the treatment station (20) is arranged on a rotating rotary unit (27) which has a rotary feedthrough with a sealing arrangement comprising a housing (9) and a shaft (8) arranged in the housing (9) and a dynamic seal for sealing a component rotating about an axis of rotation (10) against a stationary component comprising a first sealing ring (1) and a second sealing ring (2), each of which slides against an opposing sealing surface (3) at a relative rotational speed and encloses a leakage chamber (4) between them, in which a plurality of leakage bores (5.1, 5.2) opens, comprising, wherein the components are formed by the shaft (8) and the housing (9), the sealing surface (3) is formed by an outer surface of the shaft (8) and the sealing rings (1, 2) are held in the housing (9), and a leakage channel (11) extending around the axis of rotation (10) is provided in a surface of the housing (9) opposite the shaft (8) and / or the outer surface of the shaft (8), which forms at least part of the leakage chamber (4) and in which the leakage bores (5.1, 5.2) open; wherein the shaft (8) rotates about the axis of rotation (10) and the housing (9) is stationary, or wherein the housing (9) rotates about the axis of rotation (10) and the shaft is stationary, with at least one medium-carrying channel (13) connected to the compressed air supply (21), which extends in a sealed manner into the housing (9) and the shaft (8), with at least one medium supply (14) and / or one medium discharge (15) on the housing (9), which is connected to the medium-carrying channel (13) via an interface (16) between the shaft (8) and the housing (9), wherein the interface (16) is sealed on one or both sides in the direction of the axis of rotation (10) with the dynamic seal, wherein a compressed air supply (6) is connected to at least one first leakage bore (5.1) and at least one second leakage bore (5.2) has a compressed air outlet (7) trains.

This utility model discloses a synchronous directional heating device for a linear blow molding machine, including a worktable, a main shaft rotation mechanism mounted on the worktable, and several preform rotors mounted on a second track of the main shaft rotation mechanism. A synchronous directional mechanism is also mounted on the worktable, comprising a first track, and parallel linear tracks on the first and second tracks. Several synchronous limiting components are movably mounted on the first track, and each synchronous limiting component has an elastically supported clamping plate. The preforms on the preform rotors have slots corresponding to the positions of the clamping plates. A heating chamber heats the preforms that are locked in place by the clamping plates and prevented from rotating. By adding a synchronous directional mechanism, the synchronous limiting components move synchronously with the preform rotors, allowing the clamping plates to elastically engage within the slots of the preforms, ensuring that the preform rotors themselves rotate while the preforms do not, thus achieving directional heating when passing through the heating chamber.

The application provides a kind of blow molding product full life cycle quality tracing and process sharing system based on blockchain, belongs to intelligent manufacturing and industrial data security technical field.The system includes data acquisition and storage module, for obtaining production information and storing key characteristic value or hash value in blockchain;Multi-party collaborative management module, for configuring dynamic data access rights for participants through smart contract;And process knowledge asset management module, for extracting process parameter set from blockchain data that is strongly associated with high-quality output results, encapsulating as verifiable process knowledge package, and realizing its pricing, transaction and feedback loop through smart contract.The method realizes cross-enterprise trusted data tracing, safe sharing and value realization of process knowledge through the collaborative work of the above modules, improves product quality consistency and industry knowledge reuse efficiency.

The utility model relates to the technical field of discharging of injection blow molding machines, in particular to a discharging mechanism of an injection blow molding machine, and aims to solve the problem that bottle bodies cannot automatically fall off from clamping grooves during discharging of an existing injection blow molding machine. The injection blow molding machine comprises an injection blow molding machine body, a square frame is arranged on the injection blow molding machine body, the shear type structure and the bases are arranged on the square frame in a sliding mode, the bases are evenly arranged on the shear type structure, each base is provided with a discharging piece, a driving piece is further installed on the injection blow molding machine body, and the driving piece is connected with the discharging pieces. The blanking device has the advantages that the workpiece blanking effect is guaranteed, and the labor cost is reduced.

The invention discloses a multi-channel positioning type synchronous and stable feeding device of a high-pressure PE bottle blowing machine. Comprising a feeding frame body, a chain plate conveying belt is arranged in the feeding frame body, a feeding conveying belt is installed at the front end of the chain plate conveying belt, a trapezoidal discharging hopper is installed below the rear end of the chain plate conveying belt, an inclined guide rail is arranged at the lower end of the trapezoidal discharging hopper, and a sorting channel is fixedly connected to the rear end of the inclined guide rail; a lower feeding table is fixedly connected to the lower end of the sorting channel, a sorting frame is fixedly connected to the front end of the top of the sorting channel, a first electric telescopic rod is installed at the front end of the sorting frame, and a U-shaped frame located at the lower end of the trapezoidal discharging hopper and the upper end of the inclined guide rail is installed at the front end of the first electric telescopic rod; and a front laser sensor is mounted at the front end of the inner side of the U-shaped frame. According to the device, the multi-channel flow dividing device is arranged, bottle blanks can be automatically divided and conveyed in different directions, the conveying efficiency is improved, and material blocking is avoided.

The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic feeding systems of blow molding plastic bottle embryo, mainly related to blow molding feeding technical field.The application discloses a kind of automatic

This invention discloses a method for analyzing the propagation path of anomalies in PE blow molding production, relating to the field of production path technology. It addresses the issues of fluctuating film structural performance and unstable product quality. By reshaping the circumferential angle of the film bubble, collecting the zoned current of the air ring drive motor and the outlet pressure of the air duct in each region to assess the air duct blockage trend, and triggering a propagation analysis mechanism when a blockage trend exists, the method obtains the circumferential temperature distribution of the film bubble and constructs temperature hysteresis characteristics based on the rotation speed. It identifies areas of abnormal cooling, aligns each region by rotation, collects the birefringence intensity of the film surface to assess the structural state and identify structural anomaly nodes, constructs a propagation path from air ring anomaly to structural anomaly, verifies the consistency of the propagation path, selects air duct cleaning or air ring adjustment based on the anomaly effect, and verifies the feedback through tensile strength testing after winding. This constructs a time-series propagation chain of air ring temperature and structural performance, enabling online identification and tracing of latent anomalies.

The present application relates to the technical field of blow molding, in particular to a fault self-diagnosis method and system of a full-automatic hollow blow molding equipment. The present application firstly acquires all uneven wall thickness areas in the light transmission image of each blow molding product during wall thickness detection, further performs inter-frame matching on the uneven wall thickness areas in different light transmission images to acquire batch uneven wall thickness areas; then acquires a process fluctuation coefficient according to the fluctuation change of the monitoring curve of each process parameter in the blow molding process of the blow molding product; finally, according to the batch quantity of the blow molding product corresponding to the batch uneven wall thickness areas and the process fluctuation coefficient, combined with the gray scale distribution and area change characteristics in the uneven wall thickness areas, the blow molding equipment is given a fault early warning. The present application comprehensively evaluates the possibility of the equipment fault by analyzing the batch condition and cumulative characteristics of the uneven wall thickness areas in the blow molding product and combining the fluctuation change of the process parameters, so as to accurately perform fault self-diagnosis and early warning on the blow molding equipment.

The utility model provides a full-automatic bottle blowing machine with a structure for preventing raw materials from spilling, which comprises a PLC (programmable logic controller) intelligent control system, a bottle preform feeding mechanism and a rotary conveying line arranged on one side of the bottle preform feeding mechanism, a heating device is arranged on the other side of the rotary conveying line, bottle preforms conveyed on the rotary conveying line pass through the heating device, and the bottle preforms are fed into the bottle preform feeding mechanism. A heating device is arranged on the rotary conveying line, a forming mechanism is arranged on one side of the heating device and comprises two molds symmetrically arranged on the two sides of the rotary conveying line, the molds are both installed on a telescopic driving device, and the two molds are driven by the telescopic driving device to be closed or opened. When the device is used, the rotary conveying line drives a bottle preform to be heated by the baking box and then continuously move forwards, the mold is closed under the driving of the third telescopic mechanism to clamp the bottle preform, and then the fourth telescopic mechanism is controlled to lift to drive the blowing nozzle to be in butt joint with a bottle opening in the bottom of the bottle preform and blow-molded; the whole process is stable, and the problem of falling is avoided.

The invention relates to the technical field of polyvinyl chloride, and discloses a flame-retardant plasticized PVC decorative film and a preparation process, the PVC decorative film comprises 100 parts by weight of polyvinyl chloride, 10-30 parts by weight of a composite plasticizer, 10-25 parts by weight of an inorganic flame retardant and the like; polyvinyl chloride, the composite plasticizer and the like are mixed, melt extrusion and blow molding are performed, and the flame-retardant plasticized PVC decorative film is obtained. The organic silicon phosphate contains a plurality of alkyl ester structures, so that the flexibility and the elongation at break of the polyvinyl chloride are improved. The flame-retardant polyvinyl chloride material contains flame-retardant phosphorus and silicon elements, has a good condensed-phase char-forming flame-retardant effect, has a good synergistic flame-retardant effect with aluminum hydroxide and other inorganic flame retardants, improves the limit oxygen index of polyvinyl chloride, can maintain good flame-retardant performance, and can be prepared into a building decorative film with high strength, good flexibility and excellent flame retardance.

This invention relates to a dual-station blow molding production equipment, including a frame, an extrusion mechanism fixed on the frame, the extrusion mechanism including a spiral conveyor and a die head vertically fixed on the frame, the die head being connected to the spiral conveyor; a mold closing mechanism located below the die head, comprising two sets, including a turntable and four mold mounting plates that reciprocate radially along the turntable, the mounting plates fixing blow molding dies, the four blow molding dies forming a closed cavity after being closed; a shearing mechanism located on the frame, including a cutter located at the die head capable of relative movement to shear the hollow cylindrical mold blank; and an air blowing mechanism located on the frame, with one set on each side of the die head; the contact arc between each independent blow molding die and the corrugated surface of the car dust cover is significantly reduced, thereby greatly reducing local bonding stress during mold opening, effectively avoiding the problems of product stretching, tearing, or even structural damage caused by excessive overall covering force during demolding of traditional two-part molds.